Blitz3D Docs -> Shr

Shr repetitions

Parameters:

repetitions = number of shifts to make right

Description:

This performs a left binary shift on the value the specified number of times. This basically is a faster method of dividing the value exponentially. By shifting right once, you are dividing the value by 2. By shifting right twice, you divide by 4, etc.

The usefulness of this command is basically faster math execution.

Example:

; shl, shr, sar examples

value = 100

; multiple x 2
Print "Shift 1 bit left; Value = " + value Shl 1
; multiple x 4
Print "Shift 2 bits left; Value = " + value Shl 2
; multiple x 16
Print "Shift 4 bits left; Value = " + value Shl 4
; divide by 2
Print "Shift 1 bit right; Value = " + value Shr 1
; divide by 4
Print "Shift 2 bits right; Value = " + value Shr 2
; divide by 16
Print "Shift 4 bits right; Value = " + value Shr 4

Print "Shift by SAR 4 times = " + value Sar 4

WaitKey()

Comments

Bot Builder (Posted 1+ years ago)

Just noticed there is a typo. It says that shr performs a left binary shift.

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